The O-Ring, cataloged under National Stock Number 5331-01-653-5034, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Namjet Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-653-5034 |
| Primary Part Number | 3-0311 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Namjet Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.210 INCHES NOMINAL IN |
| Outside Diameter | 0.957 INCHES NOMINAL IN |
| Center Hole Diameter | 0.537 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5331-01-653-5034 is a O-Ring, manufactured by Namjet Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-653-5034 has 2 manufacturer part numbers on file: 3-0311 (Namjet Llc), 3-0311 (Birdon Pty Ltd).
Key specifications for 3-0311: Cross-Sectional Height: 0.210 INCHES NOMINAL IN; Outside Diameter: 0.957 INCHES NOMINAL IN; Center Hole Diameter: 0.537 INCHES NOMINAL IN; End Item Identification: 1940-01-615-8699. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.